XHProf: Hierarchical Profiler Report

Diff Report: Run #51afe9a0d59b4: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51afe9f952272: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip: Click a function name below to drill down.

Drupal\Core\Cache\DatabaseBackend::checksumTags	Run #51afe9a0d59b4	Run #51afe9f952272	Diff	Diff%
Number of Function Calls	103	103	0	0.0%
Incl. Wall Time (microsec)	9,277	9,253	-24	-0.3%
Incl. Wall Time (microsec) per call	90	90	-0	-0.3%
Excl. Wall Time (microsec)	2,048	2,028	-20	-1.0%
Incl. CPU (microsecs)	5,745	5,589	-156	-2.7%
Incl. CPU (microsecs) per call	56	54	-2	-2.7%
Excl. CPU (microsec)	1,754	1,712	-42	-2.4%
Incl. MemUse (bytes)	77,040	77,040	0	0.0%
Incl. MemUse (bytes) per call	748	748	0	0.0%
Excl. MemUse (bytes)	-157,928	-157,928	0	0.0%
Incl. PeakMemUse (bytes)	95,144	95,144	0	0.0%
Incl. PeakMemUse (bytes) per call	924	924	0	0.0%
Excl. PeakMemUse (bytes)	33,544	33,544	0	0.0%

Function Name	Calls Diff	Calls Diff%	Incl. Wall Diff (microsec)	IWall Diff%	Incl. CPU Diff (microsec)	ICpu Diff%	Incl. MemUse Diff (bytes)	IMemUse Diff%	Incl. PeakMemUse Diff (bytes)	IPeakMemUse Diff%
*Current Function*
Drupal\Core\Cache\DatabaseBackend::checksumTags	0	N/A%	-24	-2.2%	-156	-22.5%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-20	-83.3%	-42	-26.9%	0	N/A%	0	N/A%
*Parent functions*
Drupal\Core\Cache\DatabaseBackend::prepareItem	0	N/A%	-71	-295.8%	-95	-60.9%	0	N/A%	0	N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@1	0	N/A%	47	195.8%	-61	-39.1%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Connection::query	0	N/A%	66	275.0%	-73	-46.8%	0	N/A%	0	N/A%
Drupal\Core\Database\Statement::fetchAllAssoc	0	N/A%	-49	-204.2%	-42	-26.9%	0	N/A%	0	N/A%
drupal_static	0	N/A%	-32	-133.3%	-29	-18.6%	0	N/A%	0	N/A%
array_diff	0	N/A%	15	62.5%	20	12.8%	0	N/A%	0	N/A%
array_keys	0	N/A%	-5	-20.8%	9	5.8%	0	N/A%	0	N/A%
array_fill_keys	0	N/A%	1	4.2%	1	0.6%	0	N/A%	0	N/A%